LOGI

SEC source: 0001209191-18-025253 · doc4.xml · nonDerivative · entry 2

Darrell Bracken · CIK 0001452606 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,011,379

F3 · security: These shares were acquired pursuant to the vesting of performance share units (PSUs). The number of PSUs that vested was determined based on Logitech's total shareholder return (TSR) relative to the other companies in the NASDAQ 100 over a three-year period from April 1, 2015 through March 31, 2018.

SEC source: 0001209191-18-025253 · doc4.xml · nonDerivative · entry 1

Darrell Bracken · CIK 0001452606 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 843,516

F1 · security: Each restricted stock unit (RSU) represents the right to receive, following vesting, one Logitech share. The RSUs vest and convert into shares in four equal annual installments. The first installment vests on April 15, 2019, and the next three vest on April 15, 2020, April 15, 2021 and April 15, 2022.

F2 · balance_after: Includes shares acquired under Issuer's Employee Share Purchase Plan of 693 shares on January 31, 2018.

SEC source: 0001209191-18-021738 · doc4.xml · nonDerivative · entry 3

Pilette Vincent · CIK 0001509285 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 321,607

F3 · kind: In an exempt disposition to the issuer under rule 16b-3(e), the recipient remitted shares to the issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of shares with respect to previously reported restricted stock units.

SEC source: 0001209191-18-021738 · doc4.xml · nonDerivative · entry 2

Pilette Vincent · CIK 0001509285 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 331,190

F2 · kind: In an exempt disposition to the issuer under rule 16b-3(e), the recipient remitted shares to the issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of shares with respect to performance share units that vested on March 25, 2018.

SEC source: 0001209191-18-021738 · doc4.xml · nonDerivative · entry 1

Pilette Vincent · CIK 0001509285 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 340,297

F1 · security: These shares were acquired pursuant to the vesting of performance share units (PSUs) granted on March 25, 2015. The number of PSUs that vested on March 25, 2018 was based on (i) the achievement of a performance-based vesting condition based on Logitech's Non-GAAP Operating Margin over the four-consecutive-fiscal-quarter period ended March 31, 2016, as determined by the Compensation Committee of Logitech, and (ii) the satisfaction of the third of the time-based vesting conditions that occurred in three equal annual installments.

SEC source: 0001209191-18-008826 · doc4.xml · nonDerivative · entry 1

AEBISCHER PATRICK · CIK 0001683047 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,579

F1 · kind: In an exempt disposition to the issuer under rule 16b-3(e), the recipient remitted shares to the issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of shares with respect to previously reported restricted stock units.

F2 · price: The reported amount represents the purchase price on the SIX Swiss Exchange of CHF 36.04, as converted into U.S. dollars at the exchange rate of 1 CHF to U.S. $1.0622, as in effect on February 8, 2018.

SEC source: 0001209191-18-008544 · doc4.xml · nonDerivative · entry 1

Stolk Marcel · CIK 0001605214 · Chair, Logitech Eur; SVP, C&P

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 87,117

F1 · price: The reported amount represents the weighted average sales price on the SIX Swiss Exchange of CHF 36.91, as converted into U.S. dollars at the exchange rate of 1 CHF to U.S. $1.06949, as in effect on February 6, 2018. Actual sales prices ranged from CHF 36.67 to CHF 37.18, or U.S. $39.22 to U.S. $39.76. The reporting person undertakes to provide to Logitech, any security holder of Logitech, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.

F2 · balance_after: Includes shares acquired under issuer's Employee Share Purchase Plan of 693 shares on January 31, 2018.

SEC source: 0001209191-18-007184 · doc4.xml · nonDerivative · entry 1

Sullivan L Joseph · CIK 0001430458 · Sr. VP, Worldwide Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 79,028

F1 · price: Reflects weighted average sale price. Actual sale prices ranged from $41.33 to $41.81. Reporting person undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.

F2 · balance_after: Includes 1,007 shares acquired under the Issuer's Employee Stock Purchase Plan on July 31, 2016 and 464 shares acquired under the Issuer's Employee Stock Purchase Plan on January 31, 2018.

SEC source: 0001209191-18-007181 · doc4.xml · nonDerivative · entry 1

Pilette Vincent · CIK 0001509285 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 321,929

F1 · price: Reflects weighted average sale price. Actual sale prices ranged from $42.23 to $42.31. Filer undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.

SEC source: 0001209191-18-005941 · doc4.xml · nonDerivative · entry 1

Davis Sally · CIK 0001430434 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 87,470

F1 · price: Reflects weighted average purchase price. Actual purchase prices ranged from $42.80 to $43.09. Filer undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased at each separate price.

SEC source: 0001209191-18-005730 · doc4.xml · nonDerivative · entry 1

Darrell Bracken · CIK 0001452606 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 783,427

F1 · price: Reflects weighted average sale price. Actual sale prices ranged from $43.02 to $43.37. Reporting person undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.

SEC source: 0001209191-18-005478 · doc4.xml · nonDerivative · entry 1

Pilette Vincent · CIK 0001509285 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 339,259

F1 · price: Reflects weighted average sale price. Actual sale prices ranged from $42.19 to $42.56. Filer undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.

SEC source: 0001209191-18-005477 · doc4.xml · derivative · entry 3

De Luca Guerrino · CIK 0001430435 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Registered Shares · 15,000 shares

Expires 2019-04-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 3, 2017.

F3 · derivative.exercise_date: The option is fully vested and exercisable in full.

SEC source: 0001209191-18-005477 · doc4.xml · nonDerivative · entry 2

De Luca Guerrino · CIK 0001430435 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 306,204

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 3, 2017.

F2 · price: Reflects weighted average sale price. Actual sale prices ranged from $40.67 to $40.85. Filer undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.

SEC source: 0001209191-18-005477 · doc4.xml · nonDerivative · entry 1

De Luca Guerrino · CIK 0001430435 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 321,204

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 3, 2017.

SEC source: 0001209191-17-066051 · doc4.xml · nonDerivative · entry 1

GOVE SUE · CIK 0001187773 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,220

SEC source: 0001209191-17-052840 · doc4.xml · nonDerivative · entry 1

Yeh Lung · CIK 0001652006 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,290

F1 · shares: Each restricted stock unit (RSU) represents the right to receive, following vesting, one Logitech share. The RSU's vest in full on the first anniversary of the grant date or, if earlier and only if the director is not re-elected as a director at such annual general meeting, the date of the next annual general meeting following the grant date.

SEC source: 0001209191-17-052839 · doc4.xml · nonDerivative · entry 2

Panayotopoulos Evriviades D · CIK 0001402228 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,066

F2 · kind: Shares issued to the Reporting Person under the Logitech International S.A. 2006 Stock Incentive Plan in lieu of cash compensation for Board fees, at the election of the Reporting Person.

F3 · price: The reported amount represents the purchase price on the SIX Swiss Exchange of CHF 35.30, as converted into U.S. dollars at the exchange rate of 1 CHF to U.S. $1.04327, as in effect on September 12, 2017.

SEC source: 0001209191-17-052839 · doc4.xml · nonDerivative · entry 1

Panayotopoulos Evriviades D · CIK 0001402228 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,230

F1 · shares: Each restricted stock unit (RSU) represents the right to receive, following vesting, one Logitech share. The RSU's vest in full on the first anniversary of the grant date or, if earlier and only if the director is not re-elected as a director at such annual general meeting, the date of the next annual general meeting following the grant date.

SEC source: 0001209191-17-052838 · doc4.xml · nonDerivative · entry 1

Montgomery Neela · CIK 0001716048 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,675

F1 · shares: Each restricted stock unit (RSU) represents the right to receive, following vesting, one Logitech share. The RSUs vest in full on the first anniversary of the grant date or, if earlier and only if the director is not re-elected as a director at such annual general meeting, the date of the next annual general meeting following the grant date.

SEC source: 0001209191-17-052834 · doc4.xml · nonDerivative · entry 1

HIRSCH DIDIER · CIK 0001226464 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,535

F1 · shares: Each restricted stock unit (RSU) represents the right to receive, following vesting, one Logitech share. The RSU's vest in full on the first anniversary of the grant date or, if earlier and only if the director is not re-elected as a director at such annual general meeting, the date of the next annual general meeting following the grant date.

SEC source: 0001209191-17-052836 · doc4.xml · nonDerivative · entry 1

HUNT NEIL D · CIK 0001393571 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 61,980

F1 · shares: Each restricted stock unit (RSU) represents the right to receive, following vesting, one Logitech share. The RSU's vest in full on the first anniversary of the grant date or, if earlier and only if the director is not re-elected as a director at such annual general meeting, the date of the next annual general meeting following the grant date.

SEC source: 0001209191-17-052833 · doc4.xml · nonDerivative · entry 1

GOVE SUE · CIK 0001187773 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,720

F1 · shares: Each restricted stock unit (RSU) represents the right to receive, following vesting, one Logitech share. The RSU's vest in full on the first anniversary of the grant date or, if earlier and only if the director is not re-elected as a director at such annual general meeting, the date of the next annual general meeting following the grant date.

SEC source: 0001209191-17-052832 · doc4.xml · nonDerivative · entry 1

Davis Sally · CIK 0001430434 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 110,511

F1 · shares: Each restricted stock unit (RSU) represents the right to receive, following vesting, one Logitech share. The RSU's vest in full on the first anniversary of the grant date or, if earlier and only if the director is not re-elected as a director at such annual general meeting, the date of the next annual general meeting following the grant date.

SEC source: 0001209191-17-052830 · doc4.xml · nonDerivative · entry 1

Bugnion Edouard · CIK 0001652550 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,923

F1 · shares: Each restricted stock unit (RSU) represents the right to receive, following vesting, one Logitech share. The RSU's vest in full on the first anniversary of the grant date or, if earlier and only if the director is not re-elected as a director at such annual general meeting, the date of the next annual general meeting following the grant date.

SEC source: 0001209191-17-052829 · doc4.xml · nonDerivative · entry 1

Becker Wendy · CIK 0001716087 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,675

F1 · shares: Each restricted stock unit (RSU) represents the right to receive, following vesting, one Logitech share. The RSUs vest in full on the first anniversary of the grant date or, if earlier and only if the director is not re-elected as a director at such annual general meeting, the date of the next annual general meeting following the grant date.

SEC source: 0001209191-17-052826 · doc4.xml · nonDerivative · entry 1

AEBISCHER PATRICK · CIK 0001683047 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,875

F1 · shares: Each restricted stock unit (RSU) represents the right to receive, following vesting, one Logitech share. The RSU's vest in full on the first anniversary of the grant date or, if earlier and only if the director is not re-elected as a director at such annual general meeting, the date of the next annual general meeting following the grant date.

SEC source: 0001209191-17-052284 · doc4.xml · nonDerivative · entry 1

Yeh Lung · CIK 0001652006 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,615

F1 · kind: In an exempt disposition to the issuer under Rule 16b-3(e), the recipient remitted shares to the issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of shares with respect to previously reported restricted stock units.

SEC source: 0001209191-17-052283 · doc4.xml · nonDerivative · entry 1

Panayotopoulos Evriviades D · CIK 0001402228 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,555

F1 · kind: In an exempt disposition to the issuer under rule 16b-3(e), the recipient remitted shares to the issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of shares with respect to previously reported restricted stock units.

F2 · price: The reported amount represents the purchase price on the SIX Swiss Exchange of CHF 33.85, as converted into U.S. dollars at the exchange rate of 1 CHF to U.S. $1.05719, as in effect on September 8, 2017.

SEC source: 0001209191-17-052280 · doc4.xml · nonDerivative · entry 1

HIRSCH DIDIER · CIK 0001226464 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,860

F1 · kind: In an exempt disposition to the issuer under rule 16b-3(e), the recipient remitted shares to the issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of shares with respect to previously reported restricted stock units.

SEC source: 0001209191-17-052282 · doc4.xml · nonDerivative · entry 1

HUNT NEIL D · CIK 0001393571 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,305

F1 · kind: In an exempt disposition to the issuer under rule 16b-3(e), the recipient remitted shares to the issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of shares with respect to previously reported restricted stock units.

SEC source: 0001209191-17-052278 · doc4.xml · nonDerivative · entry 1

GOVE SUE · CIK 0001187773 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,045

F1 · kind: In an exempt disposition to the issuer under rule 16b-3(e), the recipient remitted shares to the issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of shares with respect to previously reported restricted stock units.

SEC source: 0001209191-17-052275 · doc4.xml · nonDerivative · entry 1

Bugnion Edouard · CIK 0001652550 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,248

F1 · kind: In an exempt disposition to the issuer under rule 16b-3(e), the recipient remitted shares to the issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of shares with respect to previously reported restricted stock units.

F2 · price: The reported amount represents the purchase price on the SIX Swiss Exchange of CHF 33.85, as converted into U.S. dollars at the exchange rate of 1 CHF to U.S. $1.05719, as in effect on September 8, 2017.

SEC source: 0001209191-17-052276 · doc4.xml · nonDerivative · entry 1

Davis Sally · CIK 0001430434 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 105,836

F1 · kind: In an exempt disposition to the issuer under rule 16b-3(e), the recipient remitted shares to the issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of shares with respect to previously reported restricted stock units.

F2 · price: The reported amount represents the purchase price on the SIX Swiss Exchange of CHF 33.85, as converted into U.S. dollars at the exchange rate of 1 CHF to U.S. $1.05719, as in effect on September 8, 2017.

SEC source: 0001209191-17-048348 · doc4.xml · derivative · entry 3

De Luca Guerrino · CIK 0001430435 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Registered Shares · 15,000 shares

Expires 2018-04-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 3, 2017.

F3 · derivative.exercise_date: The option is fully vested and exercisable in full.

SEC source: 0001209191-17-048348 · doc4.xml · nonDerivative · entry 2

De Luca Guerrino · CIK 0001430435 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 306,204

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 3, 2017.

F2 · price: Reflects weighted average sale price. Actual sale prices ranged from $35.98 to $36.17. Filer undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.

SEC source: 0001209191-17-048348 · doc4.xml · nonDerivative · entry 1

De Luca Guerrino · CIK 0001430435 · Director · Executive Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 321,204

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 3, 2017.

SEC source: 0001209191-17-047755 · doc4.xml · nonDerivative · entry 3

Darrell Bracken · CIK 0001452606 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 879,427

F3 · price: Reflects weighted average sale price. Actual sale prices ranged from $36.00 to $36.01. Reporting person undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.

SEC source: 0001209191-17-047772 · doc4.xml · nonDerivative · entry 1

Sullivan L Joseph · CIK 0001430458 · Sr. VP, Worldwide Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 117,557

F1 · price: Reflects weighted average sale price. Actual sale prices ranged from $35.86 to $36.48. Reporting person undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.

F2 · balance_after: Includes 337 shares acquired under the Issuer's Employee Stock Purchase Plan on July 31, 2017.

SEC source: 0001209191-17-047755 · doc4.xml · nonDerivative · entry 2

Darrell Bracken · CIK 0001452606 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 918,233

F2 · price: Reflects weighted average sale price. Actual sale prices ranged from $36.03 to $36.08. Reporting person undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.

SEC source: 0001209191-17-047180 · doc4.xml · nonDerivative · entry 3

Pilette Vincent · CIK 0001509285 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 420,561

F3 · price: Reflects weighted average sale price. Actual sale prices ranged from $36.10 to $36.50. Filer undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.

SEC source: 0001209191-17-047755 · doc4.xml · nonDerivative · entry 1

Darrell Bracken · CIK 0001452606 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 940,542

F1 · price: Reflects weighted average sale price. Actual sale prices ranged from $36.00 to $36.46. Reporting person undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.

SEC source: 0001209191-17-047180 · doc4.xml · nonDerivative · entry 2

Pilette Vincent · CIK 0001509285 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 454,142

F2 · price: Reflects weighted average sale price. Actual sale prices ranged from $36.05 to $36.10. Filer undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.

SEC source: 0001209191-17-047180 · doc4.xml · nonDerivative · entry 1

Pilette Vincent · CIK 0001509285 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 460,127

F1 · price: Reflects weighted average sale price. Actual sale prices ranged from $36.15 to $36.37. Filer undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.

SEC source: 0001209191-17-039639 · doc4.xml · derivative · entry 3

Davis Sally · CIK 0001430434 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Registered Shares · 30,000 shares

Expires 2017-06-20

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The reported amount represents the exercise/purchase price on the SIX Swiss Exchange of CHF 34.45, as converted into U.S. dollars at the exchange rate of 1 CHF to U.S. $1.03120, as in effect on June 9, 2017.

F3 · derivative.exercise_date: The option is fully vested and exercisable in full.

SEC source: 0001209191-17-039639 · doc4.xml · nonDerivative · entry 2

Davis Sally · CIK 0001430434 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 108,022

F2 · price: The reported amount represents the market price on the SIX Swiss Exchange of CHF 37.05, as converted into U.S. dollars at the exchange rate of 1 CHF to U.S. $1.03120, as in effect on June 9, 2017

SEC source: 0001209191-17-039639 · doc4.xml · nonDerivative · entry 1

Davis Sally · CIK 0001430434 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 136,586

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The reported amount represents the exercise/purchase price on the SIX Swiss Exchange of CHF 34.45, as converted into U.S. dollars at the exchange rate of 1 CHF to U.S. $1.03120, as in effect on June 9, 2017.

SEC source: 0001209191-17-033403 · doc4.xml · nonDerivative · entry 2

Sullivan L Joseph · CIK 0001430458 · Sr. VP, Worldwide Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 166,452

F2 · kind: In an exempt disposition to the issuer under rule 16b-3(e), the recipient remitted shares to the issuer in connection with the satisfaction of tax withholding obligations arising out of the vesting of shares with respect to performance share units that vested on May 15, 2017.

SEC source: 0001209191-17-033403 · doc4.xml · nonDerivative · entry 1

Sullivan L Joseph · CIK 0001430458 · Sr. VP, Worldwide Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 168,404

F1 · security: These shares were acquired pursuant to the vesting of performance share units (PSUs) granted on April 15, 2016. The number of PSUs that vested on May 15, 2017 was based on (i) the achievement of a performance-based vesting condition based on Logitech's Non-GAAP Operating Margin over the four-consecutive-fiscal-quarter period ended March 31, 2017, as determined by the Compensation Committee of Logitech, and (ii) the satisfaction of the first of the time-based vesting conditions that occur in three equal annual installments.

SEC source: 0001209191-17-033402 · doc4.xml · nonDerivative · entry 2

Stolk Marcel · CIK 0001605214 · Chair, Logitech Eur; SVP, C&P

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 106,424

F2 · kind: In an exempt disposition to the issuer under rule 16b-3(e), the recipient remitted shares to the issuer in connection with the satisfaction of withholding obligations for social charges arising out of the vesting of shares with respect to performance share units that vested on May 15, 2017.

F3 · price: The reported amount represents the purchase price on the SIX Swiss Exchange of CHF 35.40, as converted into U.S. dollars at the exchange rate of 1 CHF to U.S. $1.00838, as in effect on May 15, 2017.